<%@ page pageEncoding="UTF-8" %>
<!DOCTYPE html>
    <html>
    <head>
        <META http-equiv="Content-Type" content="text/html; charset=UTF-8">
    </head>

    <body>
        <script>
            setTimeout(function() {
                window.location.href = '<%=request.getAttribute("back")%>';
            }, 1500);
            alert("<%=request.getAttribute("msg")%>，即将返回");
        </script>
    </body>

</html>